These tickets are the least expensive of the three classes, and allow access to the bar and buffet which serves a range of hot and cold food and drink; this includes meals and snacks, and both alcoholic and non-alcoholic beverages.
The on-board bar and buffet includes:

Leisure Select tickets are more expensive than Standard class, as they allow additional features. As well as the bar and buffet, you will have meals and drinks served at your table made from seasonal and Fairtrade produce. Special requirements and children-friendly options are easily catered for, especially on the trains bound for Disneyland Resort Paris which are geared towards children and do not serve alcohol at the tables in the morning. Champagne is not available on these trains.
A sample of the menu available for on-board meals at Leisure Select includes:

Business Premier travellers have access to the most extensive of the facilities available. Not only can you have all of the options of the other classes, but you will also be able to opt for an express breakfast when travelling in the morning and access to the Business Premier Lounges. This class is designed to be unobtrusive to a working environment so you can continue your business in a comfortable setting as you travel. Electronic devices are allowed on-board, and you can book a Eurostar Premier Chauffeur ticket wherein you will be transferred from your home or workplace to departure, then collected from arrival to your next destination.
A sample of the menu available at Business Premier includes: